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194                     Cardio Diabetes Medicine 2017






                                        Low Body Weight T2DM and

                                            Macro Vascular Disease






                                                Prof. Dr. Sidhartha Das,
                                           MD, FRCP(Glasg), FRCP(Edin), FRCP(London)
                                   Senior Consultant in Medicine & Diabetes, Dean and Principal
                                   S. C. B. Medical College and Hospital, Cuttack, Odisha-753007




              Abstract :                                         Studies  from  the United  Kingdom Prospective  Dia-
              Low Body Weight Type 2 DM is a distinct clinical en-  betes Study (UKPDS) had revealed that patients with
              tity which is neither related clinically nor pathophys-  Type2DM have a two  to three fold increase in dis-
              iologically  to LADA  nor former  fruste of Type  1DM   eases  related to atheroma.  Besides,  those diabetic
              . They  have absence of markers  for  autoimmune   subjects who  develop  atheroma  related disease  in
              destruction  of  ∼-cells  along  with  good  insulin  and   the age range of 40 to 50 years of age have a two-
              C-peptide reserve for a prolonged period of life. The   fold higher rate of mortality.
              clinical presentation  and profile  of  associated com-  Type 2 Diabetes Mellitus: (DM) is the  most  prevalent
              plications in Low  Body  weight Type  2 DM are  visi-  form of DM seen  in India and constitutes  more than
              bly different from those described  for subjects with   95% of the  diabetic  population.
              classical Type  2 DM. The  Low  Body  weight Type  2
              DM patients have a marked  lower  incidence of  hy-  Epidemiological data has revealed that  the  clinical
              pertension,  CAD,  nephropathy vis-a-vis  marginally   and  phenotypic  profile  of  patients  with  Type 2  DM
              higher prevalence of retinopathy and  a markedly   are  different  in  India and  certain  developing  coun-
              higher  incidence of  peripheral  neuropathy and in-  tries  of Asia and Africa when compared  to the West.
              fections.  A lipid  profile  which  is non-conducive  for   (R2). The profile , presentation and complications in
              atherogenesis,  lower  levels  of non-lipid  risk  factors   subjects with  Non-Insulin  Dependent Diabetes Mel-
              like  homocysteine  and lower  levels  of inflammatory   litus  (NIDDM) seen in India was much  different  from
              markers like hsCRP with lesser expression of NF-κB   those  NIDDM  of  the  West.  This  was  recorded,  for
              in mononuclear  cells  are  probable  explanations  to   the first  time,  as a  consensus  statement  adopted
              the lesser prevalence of macrovascular disese (MVD)   at the  “ International  Workshop  on Types  of Dia-
              in Low Body Weight Type2 DM.                       betes Peculiar to the Tropics”,  held at Cuttack, India.
                                                                 The consensus  statement  published  in Diabetes
                                                                 Care (1996) read  as, “This group supports the WHO
              Introduction:
                                                                 classification  of NIDDM into Obese & Non-obese sub-
              The post insulin era experienced  the visible  decline   classes.  In  some  developing  countries,  non-obese
              in prevalence of acute  complications  and  infections   patients constitute  the  more  common category,
              in patients  with  diabetes mellitus (DM).  However,   and  a  proportion of  them  have  BMI<18.5.  There  are
              macrovascular disease (MVD) emerged as the most    many factors  that are  not  well understood in  these
              threatening complication in diabetics of the west. Al-  subjects with  NIDDM  and  Low body weight ; further
              most 2/3  of deaths in diabetics was attributed  to   research  is required  in this group.(R3)
                      rd
              coronary artery disease  (CAD),  cerebrovascular dis-
              ease (CVD) or peripheral vascular disease (PVD). The  Burden of MVD in Diabetics with special
              problem  although more  marked  with Type-2  diabet-  reference to Indians:
              ics (earlier nomenclature as NIDDM) is also a major
              cause of morbidity and mortality in Type-1 diabetics.   Atherosclerosis  (AS) is  more  prevalent  in subjects
              Therefore,  the  American Heart  Association  (AHA)   with  DM. Involvement  of vascular  channels  is more
              has designated DM as a major  risk  factor for  car-  wide spread in diabetic subjects as compared to non
              diovascular disease.                               diabetics. The duration of chronic hyperglycemias is

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